![Guy Harris](/assets/img/avatar_default.png)
(-lcfg -lodm on AIX with the current tcpdump.org libpcap, -lpfring with the ring buffer stuff on Linux). svn path=/trunk/; revision=17996
1625 lines
48 KiB
Text
1625 lines
48 KiB
Text
dnl Macros that test for specific features.
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dnl This file is part of the Autoconf packaging for Ethereal.
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dnl Copyright (C) 1998-2000 by Gerald Combs.
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dnl
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dnl $Id$
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2, or (at your option)
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dnl any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program; if not, write to the Free Software
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dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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dnl 02111-1307, USA.
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dnl
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dnl As a special exception, the Free Software Foundation gives unlimited
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dnl permission to copy, distribute and modify the configure scripts that
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dnl are the output of Autoconf. You need not follow the terms of the GNU
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dnl General Public License when using or distributing such scripts, even
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dnl though portions of the text of Autoconf appear in them. The GNU
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dnl General Public License (GPL) does govern all other use of the material
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dnl that constitutes the Autoconf program.
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dnl
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dnl Certain portions of the Autoconf source text are designed to be copied
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dnl (in certain cases, depending on the input) into the output of
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dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
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dnl source text consists of comments plus executable code that decides which
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dnl of the data portions to output in any given case. We call these
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dnl comments and executable code the "non-data" portions. Autoconf never
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dnl copies any of the non-data portions into its output.
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dnl
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dnl This special exception to the GPL applies to versions of Autoconf
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dnl released by the Free Software Foundation. When you make and
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dnl distribute a modified version of Autoconf, you may extend this special
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dnl exception to the GPL to apply to your modified version as well, *unless*
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dnl your modified version has the potential to copy into its output some
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dnl of the text that was the non-data portion of the version that you started
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dnl with. (In other words, unless your change moves or copies text from
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dnl the non-data portions to the data portions.) If your modification has
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dnl such potential, you must delete any notice of this special exception
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dnl to the GPL from your modified version.
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dnl
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dnl Written by David MacKenzie, with help from
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dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
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dnl Roland McGrath, Noah Friedman, david d zuhn, and many others.
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#
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# AC_ETHEREAL_ADD_DASH_L
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#
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# Add to the variable specified as the first argument a "-L" flag for the
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# directory specified as the second argument, and, on Solaris, add a
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# "-R" flag for it as well.
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#
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# XXX - IRIX, and other OSes, may require some flag equivalent to
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# "-R" here.
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#
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AC_DEFUN([AC_ETHEREAL_ADD_DASH_L],
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[$1="$$1 -L$2"
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case "$host_os" in
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solaris*)
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$1="$$1 -R$2"
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;;
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esac
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])
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#
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# AC_ETHEREAL_STRUCT_SA_LEN
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#
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dnl AC_STRUCT_ST_BLKSIZE extracted from the file in question,
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dnl "acspecific.m4" in GNU Autoconf 2.12, and turned into
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dnl AC_ETHEREAL_STRUCT_SA_LEN, which checks if "struct sockaddr"
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dnl has the 4.4BSD "sa_len" member, and defines HAVE_SA_LEN; that's
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dnl what's in this file.
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dnl Done by Guy Harris <guy@alum.mit.edu> on 1998-11-14.
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dnl ### Checks for structure members
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AC_DEFUN([AC_ETHEREAL_STRUCT_SA_LEN],
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[AC_CACHE_CHECK([for sa_len in struct sockaddr], ac_cv_ethereal_struct_sa_len,
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[AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/socket.h>], [struct sockaddr s; s.sa_len;],
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ac_cv_ethereal_struct_sa_len=yes, ac_cv_ethereal_struct_sa_len=no)])
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if test $ac_cv_ethereal_struct_sa_len = yes; then
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AC_DEFINE(HAVE_SA_LEN, 1, [Define if sa_len field exists in struct sockaddr])
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fi
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])
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dnl
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dnl Check whether a given format can be used to print 64-bit integers
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dnl
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AC_DEFUN([AC_ETHEREAL_CHECK_64BIT_FORMAT],
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[
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AC_MSG_CHECKING([whether %$1x can be used to format 64-bit integers])
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AC_RUN_IFELSE(
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[
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AC_LANG_SOURCE(
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[[
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# ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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# endif
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#include <glibconfig.h>
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#include <stdio.h>
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#include <sys/types.h>
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main()
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{
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guint64 t = 1;
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char strbuf[16+1];
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sprintf(strbuf, "%016$1x", t << 32);
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if (strcmp(strbuf, "0000000100000000") == 0)
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exit(0);
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else
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exit(1);
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}
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]])
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],
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[
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AC_DEFINE(PRId64, "$1d", [Format for printing 64-bit signed decimal numbers])
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AC_DEFINE(PRIo64, "$1o", [Format for printing 64-bit unsigned octal numbers])
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AC_DEFINE(PRIx64, "$1x", [Format for printing 64-bit unsigned hexadecimal numbers (lower-case)])
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AC_DEFINE(PRIX64, "$1X", [Format for printing 64-bit unsigned hexadecimal numbers (upper-case)])
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AC_DEFINE(PRIu64, "$1u", [Format for printing 64-bit unsigned decimal numbers])
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AC_MSG_RESULT(yes)
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],
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[
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AC_MSG_RESULT(no)
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$2
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])
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])
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#
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# AC_ETHEREAL_IPV6_STACK
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#
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# By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
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#
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AC_DEFUN([AC_ETHEREAL_IPV6_STACK],
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[
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v6type=unknown
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v6lib=none
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AC_MSG_CHECKING([ipv6 stack type])
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for i in v6d toshiba kame inria zeta linux linux-glibc solaris8; do
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case $i in
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v6d)
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AC_EGREP_CPP(yes, [
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#include </usr/local/v6/include/sys/types.h>
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#ifdef __V6D__
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yes
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#endif],
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[v6type=$i; v6lib=v6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-I/usr/local/v6/include $CFLAGS"])
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;;
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toshiba)
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AC_EGREP_CPP(yes, [
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#include <sys/param.h>
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#ifdef _TOSHIBA_INET6
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yes
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#endif],
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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;;
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kame)
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AC_EGREP_CPP(yes, [
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#include <netinet/in.h>
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#ifdef __KAME__
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yes
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#endif],
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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;;
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inria)
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AC_EGREP_CPP(yes, [
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#include <netinet/in.h>
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#ifdef IPV6_INRIA_VERSION
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yes
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#endif],
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[v6type=$i; CFLAGS="-DINET6 $CFLAGS"])
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;;
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zeta)
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AC_EGREP_CPP(yes, [
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#include <sys/param.h>
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#ifdef _ZETA_MINAMI_INET6
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yes
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#endif],
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[v6type=$i; v6lib=inet6;
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v6libdir=/usr/local/v6/lib;
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CFLAGS="-DINET6 $CFLAGS"])
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;;
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linux)
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if test -d /usr/inet6; then
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v6type=$i
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v6lib=inet6
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v6libdir=/usr/inet6
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CFLAGS="-DINET6 $CFLAGS"
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fi
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;;
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linux-glibc)
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AC_EGREP_CPP(yes, [
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#include <features.h>
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#if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
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#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || __GLIBC__ > 2
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yes
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#endif
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#endif],
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[v6type=$i; v6lib=inet6; CFLAGS="-DINET6 $CFLAGS"])
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;;
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solaris8)
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if test "`uname -s`" = "SunOS" && test "`uname -r`" = "5.8"; then
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v6type=$i
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v6lib=inet6
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[CFLAGS="-DINET6 -DSOLARIS8_INET6 $CFLAGS"]
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fi
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;;
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esac
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if test "$v6type" != "unknown"; then
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break
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fi
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done
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if test "$v6lib" != "none"; then
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for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
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if test -d $dir -a -f $dir/lib$v6lib.a; then
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LIBS="-L$dir $LIBS -l$v6lib"
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break
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fi
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done
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enable_ipv6="yes"
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else
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enable_ipv6="no"
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fi
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AC_MSG_RESULT(["$v6type, $v6lib"])
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])
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#
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# AC_ETHEREAL_GETHOSTBY_LIB_CHECK
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#
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# Checks whether we need "-lnsl" to get "gethostby*()", which we use
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# in "resolv.c".
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#
|
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# Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
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# GNU Autoconf 2.13; the comment came from there.
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# Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
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#
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AC_DEFUN([AC_ETHEREAL_GETHOSTBY_LIB_CHECK],
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[
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# msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
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# to get the SysV transport functions.
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# chad@anasazi.com says the Pyramid MIS-ES running DC/OSx (SVR4)
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# needs -lnsl.
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# The nsl library prevents programs from opening the X display
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|
# on Irix 5.2, according to dickey@clark.net.
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AC_CHECK_FUNC(gethostbyname, ,
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AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl"))
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AC_SUBST(NSL_LIBS)
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|
])
|
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|
|
#
|
|
# AC_ETHEREAL_SOCKET_LIB_CHECK
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#
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# Checks whether we need "-lsocket" to get "socket()", which is used
|
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# by libpcap on some platforms - and, in effect, "gethostby*()" on
|
|
# most if not all platforms (so that it can use NIS or DNS or...
|
|
# to look up host names).
|
|
#
|
|
# Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
|
|
# GNU Autoconf 2.13; the comment came from there.
|
|
# Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
|
|
#
|
|
# We use "connect" because that's what AC_PATH_XTRA did.
|
|
#
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|
AC_DEFUN([AC_ETHEREAL_SOCKET_LIB_CHECK],
|
|
[
|
|
# lieder@skyler.mavd.honeywell.com says without -lsocket,
|
|
# socket/setsockopt and other routines are undefined under SCO ODT
|
|
# 2.0. But -lsocket is broken on IRIX 5.2 (and is not necessary
|
|
# on later versions), says simon@lia.di.epfl.ch: it contains
|
|
# gethostby* variants that don't use the nameserver (or something).
|
|
# -lsocket must be given before -lnsl if both are needed.
|
|
# We assume that if connect needs -lnsl, so does gethostbyname.
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AC_CHECK_FUNC(connect, ,
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|
AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket",
|
|
AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS))
|
|
AC_SUBST(SOCKET_LIBS)
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|
])
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|
|
#
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|
# AC_ETHEREAL_PCAP_CHECK
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#
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AC_DEFUN([AC_ETHEREAL_PCAP_CHECK],
|
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[
|
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if test -z "$pcap_dir"
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then
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# Pcap header checks
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# XXX need to set a var AC_CHECK_HEADER(pcap.h,,)
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|
#
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# The user didn't specify a directory in which libpcap resides;
|
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# we assume that the current library search path will work,
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# but we may have to look for the header in a "pcap"
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# subdirectory of "/usr/include" or "/usr/local/include",
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# as some systems apparently put "pcap.h" in a "pcap"
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# subdirectory, and we also check "$prefix/include" - and
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# "$prefix/include/pcap", in case $prefix is set to
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# "/usr/include" or "/usr/local/include".
|
|
#
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|
# XXX - should we just add "$prefix/include" to the include
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# search path and "$prefix/lib" to the library search path?
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#
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AC_MSG_CHECKING(for extraneous pcap header directories)
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found_pcap_dir=""
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pcap_dir_list="/usr/include/pcap $prefix/include/pcap $prefix/include"
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if test "x$ac_cv_enable_usr_local" = "xyes" ; then
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pcap_dir_list="$pcap_dir_list /usr/local/include/pcap"
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fi
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for pcap_dir in $pcap_dir_list
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do
|
|
if test -d $pcap_dir ; then
|
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if test x$pcap_dir != x/usr/include -a x$pcap_dir != x/usr/local/include ; then
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CFLAGS="$CFLAGS -I$pcap_dir"
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CPPFLAGS="$CPPFLAGS -I$pcap_dir"
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fi
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found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
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break
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fi
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done
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if test "$found_pcap_dir" != "" ; then
|
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AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
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|
else
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AC_MSG_RESULT(not found)
|
|
fi
|
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else
|
|
#
|
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# The user specified a directory in which libpcap resides,
|
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# so add the "include" subdirectory of that directory to
|
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# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a libpcap in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
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# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
CFLAGS="$CFLAGS -I$pcap_dir/include"
|
|
CPPFLAGS="$CPPFLAGS -I$pcap_dir/include"
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, $pcap_dir/lib)
|
|
fi
|
|
|
|
# Pcap header check
|
|
AC_CHECK_HEADER(pcap.h,,
|
|
AC_MSG_ERROR([[Header file pcap.h not found; if you installed libpcap
|
|
from source, did you also do \"make install-incl\", and if you installed a
|
|
binary package of libpcap, is there also a developer's package of libpcap,
|
|
and did you also install that package?]]))
|
|
|
|
#
|
|
# Check to see if we find "pcap_open_live" in "-lpcap".
|
|
# Also check for various additional libraries that libpcap might
|
|
# require.
|
|
#
|
|
AC_CHECK_LIB(pcap, pcap_open_live,
|
|
[
|
|
PCAP_LIBS=-lpcap
|
|
AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
|
|
], [
|
|
ac_ethereal_extras_found=no
|
|
ac_save_LIBS="$LIBS"
|
|
for extras in "-lcfg -lodm" "-lpfring"
|
|
do
|
|
AC_MSG_CHECKING([for pcap_open_live in -lpcap with $extras])
|
|
LIBS="-lpcap $extras"
|
|
#
|
|
# XXX - can't we use AC_CHECK_LIB here?
|
|
#
|
|
AC_TRY_LINK(
|
|
[
|
|
# include <pcap.h>
|
|
],
|
|
[
|
|
pcap_open_live(NULL, 0, 0, 0, NULL);
|
|
],
|
|
[
|
|
ac_ethereal_extras_found=yes
|
|
AC_MSG_RESULT([yes])
|
|
PCAP_LIBS="-lpcap $extras"
|
|
AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
|
|
],
|
|
[
|
|
AC_MSG_RESULT([no])
|
|
])
|
|
if test x$ac_ethereal_extras_found = xyes
|
|
then
|
|
break
|
|
fi
|
|
done
|
|
if test x$ac_ethereal_extras_found = xno
|
|
then
|
|
AC_MSG_ERROR([Can't link with library libpcap.])
|
|
fi
|
|
LIBS=$ac_save_LIBS
|
|
], $SOCKET_LIBS $NSL_LIBS)
|
|
AC_SUBST(PCAP_LIBS)
|
|
|
|
#
|
|
# Check whether various variables and functions are defined by
|
|
# libpcap.
|
|
#
|
|
ac_save_LIBS="$LIBS"
|
|
AC_MSG_CHECKING(whether pcap_version is defined by libpcap)
|
|
LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
|
|
AC_TRY_LINK(
|
|
[
|
|
# include <stdio.h>
|
|
extern char *pcap_version;
|
|
],
|
|
[
|
|
printf ("%s\n", pcap_version);
|
|
],
|
|
ac_cv_pcap_version_defined=yes,
|
|
ac_cv_pcap_version_defined=no,
|
|
[echo $ac_n "cross compiling; assumed OK... $ac_c"])
|
|
if test "$ac_cv_pcap_version_defined" = yes ; then
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_PCAP_VERSION, 1, [Define if libpcap version is known])
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
AC_CHECK_FUNCS(pcap_open_dead pcap_freecode)
|
|
#
|
|
# Later versions of Mac OS X 10.3[.x] ship a pcap.h that
|
|
# doesn't define pcap_if_t but ship an 0.8[.x] libpcap,
|
|
# so the library has "pcap_findalldevs()", but pcap.h
|
|
# doesn't define "pcap_if_t" so you can't actually *use*
|
|
# "pcap_findalldevs()".
|
|
#
|
|
# That even appears to be true of systems shipped with
|
|
# 10.3.4, so it doesn't appear only to be a case of
|
|
# Software Update not updating header files.
|
|
#
|
|
# (You can work around this by installing the 0.8 header
|
|
# files.)
|
|
#
|
|
AC_CACHE_CHECK([whether pcap_findalldevs is present and usable],
|
|
[ac_cv_func_pcap_findalldevs],
|
|
[
|
|
AC_LINK_IFELSE(
|
|
[
|
|
AC_LANG_SOURCE(
|
|
[[
|
|
#include <pcap.h>
|
|
main()
|
|
{
|
|
pcap_if_t *devpointer;
|
|
char errbuf[1];
|
|
|
|
pcap_findalldevs(&devpointer, errbuf);
|
|
}
|
|
]])
|
|
],
|
|
[
|
|
ac_cv_func_pcap_findalldevs=yes
|
|
],
|
|
[
|
|
ac_cv_func_pcap_findalldevs=no
|
|
])
|
|
])
|
|
#
|
|
# Don't check for other new routines that showed up after
|
|
# "pcap_findalldevs()" if we don't have a usable
|
|
# "pcap_findalldevs()", so we don't end up using them if the
|
|
# "pcap.h" is crufty and old and doesn't declare them.
|
|
#
|
|
if test $ac_cv_func_pcap_findalldevs = "yes" ; then
|
|
AC_DEFINE(HAVE_PCAP_FINDALLDEVS, 1,
|
|
[Define to 1 if you have the `pcap_findalldevs' function and a pcap.h that declares pcap_if_t.])
|
|
AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
|
|
AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink pcap_lib_version)
|
|
AC_CHECK_FUNCS(pcap_get_selectable_fd)
|
|
fi
|
|
LIBS="$ac_save_LIBS"
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_ZLIB_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_ZLIB_CHECK],
|
|
[
|
|
if test "x$zlib_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which zlib resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a zlib in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -I$zlib_dir/include"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -I$zlib_dir/include"
|
|
ethereal_save_LIBS="$LIBS"
|
|
AC_ETHEREAL_ADD_DASH_L(LIBS, $zlib_dir/lib)
|
|
fi
|
|
|
|
#
|
|
# Make sure we have "zlib.h". If we don't, it means we probably
|
|
# don't have zlib, so don't use it.
|
|
#
|
|
AC_CHECK_HEADER(zlib.h,,
|
|
[
|
|
if test "x$zlib_dir" != "x"
|
|
then
|
|
#
|
|
# The user used "--with-zlib=" to specify a directory
|
|
# containing zlib, but we didn't find the header file
|
|
# there; that either means they didn't specify the
|
|
# right directory or are confused about whether zlib
|
|
# is, in fact, installed. Report the error and give up.
|
|
#
|
|
AC_MSG_ERROR([zlib header not found in directory specified in --with-zlib])
|
|
else
|
|
if test "x$want_zlib" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library, but we
|
|
# couldn't find the header file; report an error.
|
|
#
|
|
AC_MSG_ERROR(Header file zlib.h not found.)
|
|
else
|
|
#
|
|
# We couldn't find the header file; don't use the
|
|
# library, as it's probably not present.
|
|
#
|
|
want_zlib=no
|
|
fi
|
|
fi
|
|
])
|
|
|
|
if test "x$want_zlib" != "xno"
|
|
then
|
|
#
|
|
# Well, we at least have the zlib header file.
|
|
#
|
|
# Check for "gzgets()" in zlib, because we need it, but
|
|
# some older versions of zlib don't have it. It appears
|
|
# from the zlib ChangeLog that any released version of zlib
|
|
# with "gzgets()" should have the other routines we
|
|
# depend on, such as "gzseek()", "gztell()", and "zError()".
|
|
#
|
|
# Another reason why we require "gzgets()" is that
|
|
# some versions of zlib that didn't have it, such
|
|
# as 1.0.8, had a bug in "gzseek()" that meant that it
|
|
# doesn't work correctly on uncompressed files; this
|
|
# means we cannot use version 1.0.8. (Unfortunately,
|
|
# that's the version that comes with recent X11 source,
|
|
# and many people who install XFree86 on their Slackware
|
|
# boxes don't realize that they should configure it to
|
|
# use the native zlib rather than building and installing
|
|
# the crappy old version that comes with XFree86.)
|
|
#
|
|
# I.e., we can't just avoid using "gzgets()", as
|
|
# versions of zlib without "gzgets()" are likely to have
|
|
# a broken "gzseek()".
|
|
#
|
|
AC_CHECK_LIB(z, gzgets,
|
|
[
|
|
if test "x$zlib_dir" != "x"
|
|
then
|
|
#
|
|
# Put the "-I" and "-L" flags for zlib at
|
|
# the beginning of CFLAGS, CPPFLAGS, and
|
|
# LIBS.
|
|
#
|
|
LIBS=""
|
|
AC_ETHEREAL_ADD_DASH_L(LIBS, $zlib_dir/lib)
|
|
LIBS="$LIBS -lz $ethereal_save_LIBS"
|
|
else
|
|
LIBS="-lz $LIBS"
|
|
fi
|
|
AC_DEFINE(HAVE_LIBZ, 1, [Define to use libz library])
|
|
],[
|
|
if test "x$zlib_dir" != "x"
|
|
then
|
|
#
|
|
# Restore the versions of CFLAGS, CPPFLAGS,
|
|
# and LIBS before we added the "-with-zlib="
|
|
# directory, as we didn't actually find
|
|
# zlib there, or didn't find a zlib that
|
|
# contains gzgets there.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
LIBS="$ethereal_save_LIBS"
|
|
fi
|
|
want_zlib=no
|
|
])
|
|
fi
|
|
|
|
if test "x$want_zlib" != "xno"
|
|
then
|
|
#
|
|
# Well, we at least have the zlib header file and a zlib
|
|
# with "gzgets()".
|
|
#
|
|
# Now check for "gzgets()" in zlib when linking with the
|
|
# linker flags for GTK+ applications; people often grab
|
|
# XFree86 source and build and install it on their systems,
|
|
# and they appear sometimes to misconfigure XFree86 so that,
|
|
# even on systems with zlib, it assumes there is no zlib,
|
|
# so the XFree86 build process builds and installs its
|
|
# own zlib in the X11 library directory.
|
|
#
|
|
# The XFree86 zlib is an older version that lacks
|
|
# "gzgets()", and that's the zlib with which Ethereal
|
|
# gets linked, so the build of Ethereal fails.
|
|
#
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
ac_save_LIBS="$LIBS"
|
|
CFLAGS="$CFLAGS $GTK_CFLAGS"
|
|
LIBS="$GTK_LIBS -lz $LIBS"
|
|
AC_MSG_CHECKING([for gzgets missing when linking with X11])
|
|
AC_TRY_LINK_FUNC(gzgets, AC_MSG_RESULT(no),
|
|
[
|
|
AC_MSG_RESULT(yes)
|
|
AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.)
|
|
])
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
LIBS="$ac_save_LIBS"
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_LIBPCRE_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_LIBPCRE_CHECK],
|
|
[
|
|
if test "x$pcre_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which libpcre resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a libpcre in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -I$pcre_dir/include"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -I$pcre_dir/include"
|
|
ethereal_save_LIBS="$LIBS"
|
|
LIBS="$LIBS -lpcre"
|
|
ethereal_save_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$LDFLAGS -L$pcre_dir/lib"
|
|
fi
|
|
|
|
#
|
|
# Make sure we have "pcre.h". If we don't, it means we probably
|
|
# don't have libpcre, so don't use it.
|
|
#
|
|
AC_CHECK_HEADER(pcre.h,,
|
|
[
|
|
if test "x$pcre_dir" != "x"
|
|
then
|
|
#
|
|
# The user used "--with-pcre=" to specify a directory
|
|
# containing libpcre, but we didn't find the header file
|
|
# there; that either means they didn't specify the
|
|
# right directory or are confused about whether libpcre
|
|
# is, in fact, installed. Report the error and give up.
|
|
#
|
|
AC_MSG_ERROR([libpcre header not found in directory specified in --with-pcre])
|
|
else
|
|
if test "x$want_pcre" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library, but we
|
|
# couldn't find the header file; report an error.
|
|
#
|
|
AC_MSG_ERROR(Header file pcre.h not found.)
|
|
else
|
|
#
|
|
# We couldn't find the header file; don't use the
|
|
# library, as it's probably not present.
|
|
#
|
|
want_pcre=no
|
|
fi
|
|
fi
|
|
])
|
|
|
|
if test "x$want_pcre" != "xno"
|
|
then
|
|
#
|
|
# Well, we at least have the pcre header file.
|
|
#
|
|
# We're only using standard functions from libpcre,
|
|
# so we don't need to perform extra checks.
|
|
#
|
|
AC_CHECK_LIB(pcre, pcre_compile,
|
|
[
|
|
if test "x$pcre_dir" != "x"
|
|
then
|
|
#
|
|
# Put the "-I" and "-L" flags for pcre at
|
|
# the beginning of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS.
|
|
#
|
|
PCRE_LIBS="-L$pcre_dir/lib -lpcre $ethereal_save_LIBS"
|
|
else
|
|
PCRE_LIBS="-lpcre"
|
|
fi
|
|
AC_DEFINE(HAVE_LIBPCRE, 1, [Define to use libpcre library])
|
|
],[
|
|
if test "x$pcre_dir" != "x"
|
|
then
|
|
#
|
|
# Restore the versions of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS before we added the
|
|
# "--with-pcre=" directory, as we didn't
|
|
# actually find pcre there.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
LDFLAGS="$ethereal_save_LDFLAGS"
|
|
LIBS="$ethereal_save_LIBS"
|
|
PCRE_LIBS=""
|
|
fi
|
|
want_pcre=no
|
|
])
|
|
AC_SUBST(PCRE_LIBS)
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_LIBLUA_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_LIBLUA_CHECK],[
|
|
|
|
if test "x$lua_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which liblua resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a liblua in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -I$lua_dir/include"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
CPPFLAGS="$CPPFLAGS -I$lua_dir/include"
|
|
ethereal_save_LIBS="$LIBS"
|
|
LIBS="$LIBS -L$lua_dir/lib -llua"
|
|
ethereal_save_LDFLAGS="$LDFLAGS"
|
|
LDFLAGS="$LDFLAGS -L$lua_dir/lib"
|
|
else
|
|
#
|
|
# The user specified no directory in which liblua resides,
|
|
# so just add "-llua -lliblua" to the used libs.
|
|
#
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
ethereal_save_LDFLAGS="$LDFLAGS"
|
|
ethereal_save_LIBS="$LIBS"
|
|
LIBS="$LIBS -llua"
|
|
fi
|
|
|
|
#
|
|
# Make sure we have "lua.h", "lualib.h" and "lauxlib.h". If we don't, it means we probably
|
|
# don't have liblua, so don't use it.
|
|
#
|
|
AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h,,
|
|
[
|
|
if test "x$lua_dir" != "x"
|
|
then
|
|
#
|
|
# The user used "--with-lua=" to specify a directory
|
|
# containing liblua, but we didn't find the header file
|
|
# there; that either means they didn't specify the
|
|
# right directory or are confused about whether liblua
|
|
# is, in fact, installed. Report the error and give up.
|
|
#
|
|
AC_MSG_ERROR([liblua header not found in directory specified in --with-lua])
|
|
else
|
|
if test "x$want_lua" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library, but we
|
|
# couldn't find the header file; report an error.
|
|
#
|
|
AC_MSG_ERROR(Header file lua.h not found.)
|
|
else
|
|
#
|
|
# We couldn't find the header file; don't use the
|
|
# library, as it's probably not present.
|
|
#
|
|
want_lua=no
|
|
fi
|
|
fi
|
|
])
|
|
|
|
if test "x$want_lua" != "xno"
|
|
then
|
|
#
|
|
# Well, we at least have the lua header file.
|
|
#
|
|
# let's check if the libs are there
|
|
#
|
|
|
|
# At least on Suse 9.3 systems, liblualib needs linking
|
|
# against libm.
|
|
LIBS="$LIBS $LUA_LIBS -lm"
|
|
|
|
AC_CHECK_LIB(lua, lua_call,
|
|
[
|
|
if test "x$lua_dir" != "x"
|
|
then
|
|
#
|
|
# Put the "-I" and "-L" flags for lua at
|
|
# the beginning of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS.
|
|
#
|
|
LUA_LIBS="-L$lua_dir/lib -llua"
|
|
LUA_INCLUDES="-I$lua_dir/include"
|
|
else
|
|
LUA_LIBS="-llua"
|
|
LUA_INCLUDES=""
|
|
fi
|
|
|
|
#
|
|
# we got lua, now look for lualib
|
|
#
|
|
AC_CHECK_LIB(lualib, luaL_openlib,
|
|
[
|
|
#
|
|
# we have 5.0
|
|
#
|
|
LUA_LIBS="$LUA_LIBS -llualib"
|
|
],[
|
|
#
|
|
# no lualib, in 5.1 there's only liblua
|
|
# do we have 5.1?
|
|
#
|
|
|
|
LIBS="$ethereal_save_LIBS $LUA_LIBS"
|
|
|
|
AC_CHECK_LIB(lua, luaL_register,
|
|
[
|
|
#
|
|
# Lua 5.1 found
|
|
#
|
|
AC_DEFINE(HAVE_LUA_5_1, 1, [Define to use Lua 5.1])
|
|
],[
|
|
#
|
|
# No, it is not 5.1
|
|
#
|
|
if test "x$lua_dir" != "x"
|
|
then
|
|
#
|
|
# Restore the versions of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS before we added the
|
|
# "--with-lua=" directory, as we didn't
|
|
# actually find lua there.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
LDFLAGS="$ethereal_save_LDFLAGS"
|
|
LIBS="$ethereal_save_LIBS"
|
|
LUA_LIBS=""
|
|
fi
|
|
# User requested --with-lua but it isn't available
|
|
if test "x$want_lua" = "xyes"
|
|
then
|
|
AC_MSG_ERROR(Linking with liblualib failed.)
|
|
fi
|
|
want_lua=no
|
|
])
|
|
])
|
|
],[
|
|
#
|
|
# Restore the versions of CFLAGS, CPPFLAGS,
|
|
# LDFLAGS, and LIBS before we added the
|
|
# "--with-lua=" directory, as we didn't
|
|
# actually find lua there.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
LDFLAGS="$ethereal_save_LDFLAGS"
|
|
LIBS="$ethereal_save_LIBS"
|
|
LUA_LIBS=""
|
|
# User requested --with-lua but it isn't available
|
|
if test "x$want_lua" = "xyes"
|
|
then
|
|
AC_MSG_ERROR(Linking with liblua failed.)
|
|
fi
|
|
want_lua=no
|
|
])
|
|
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
LDFLAGS="$ethereal_save_LDFLAGS"
|
|
LIBS="$ethereal_save_LIBS"
|
|
AC_SUBST(LUA_LIBS)
|
|
AC_SUBST(LUA_INCLUDES)
|
|
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_NETSNMP_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_NETSNMP_CHECK],
|
|
[
|
|
dnl get the net-snmp-config binary
|
|
if test "x$netsnmpconfig" = "x" ; then
|
|
#
|
|
# The user didn't specify where net-snmp-config is
|
|
# located; search for it.
|
|
#
|
|
AC_PATH_PROG(NETSNMPCONFIG, net-snmp-config)
|
|
else
|
|
NETSNMPCONFIG=$netsnmpconfig
|
|
if test ! -x $NETSNMPCONFIG -o ! -f $NETSNMPCONFIG ; then
|
|
NETSNMPCONFIG=$netsnmpconfig/bin/net-snmp-config
|
|
if test ! -x $NETSNMPCONFIG -o ! -f $NETSNMPCONFIG ; then
|
|
AC_MSG_ERROR(Invalid net-snmp-config: $netsnmpconfig)
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
#
|
|
# XXX - check whether $NETSNMPCONFIG is executable?
|
|
# if test "x$NETSNMPCONFIG" != "xno" -a "x$NETSNMPCONFIG" != "x" -a -x "$NETSNMPCONFIG" ; then
|
|
# We already did that if it was set; presumably AC_PATH_PROG
|
|
# will fail if it doesn't find an executable version.
|
|
#
|
|
if test "x$NETSNMPCONFIG" != "x" ; then
|
|
dnl other choices for flags to use here: could also use
|
|
dnl --prefix or --exec-prefix if you don't want the full list.
|
|
|
|
#
|
|
# Save the current settings of CFLAGS and CPPFLAGS, and add
|
|
# the output of "$NETSNMPCONFIG --cflags" to it, so that when
|
|
# searching for the Net-SNMP headers, we look in whatever
|
|
# directory that output specifies.
|
|
#
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
CFLAGS="$CFLAGS `$NETSNMPCONFIG --cflags`"
|
|
CPPFLAGS="$CPPFLAGS `$NETSNMPCONFIG --cflags`"
|
|
|
|
AC_CHECK_HEADERS(net-snmp/net-snmp-config.h net-snmp/library/default_store.h)
|
|
if test "x$ac_cv_header_net_snmp_net_snmp_config_h" = "xyes" -a "x$ac_cv_header_net_snmp_library_default_store_h" = "xyes" ; then
|
|
SNMP_LIBS=`$NETSNMPCONFIG --libs`
|
|
if echo "$SNMP_LIBS" | grep crypto >/dev/null && test "x$SSL_LIBS" = "x"; then
|
|
if test "x$want_netsnmp" = "xyes" ; then
|
|
AC_MSG_ERROR(Net-SNMP requires openssl but ssl not enabled)
|
|
else
|
|
AC_MSG_RESULT(Net-SNMP requires openssl but ssl not enabled - disabling Net-SNMP)
|
|
fi
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
SNMP_LIBS=
|
|
else
|
|
AC_DEFINE(HAVE_NET_SNMP, 1, [Define to enable support for Net-SNMP])
|
|
have_net_snmp="yes"
|
|
fi
|
|
else
|
|
if test "x$want_netsnmp" = "xyes" ; then
|
|
AC_MSG_ERROR(Net-SNMP not found)
|
|
else
|
|
#
|
|
# Restore the versions of CFLAGS and
|
|
# CPPFLAGS before we added the output
|
|
# of '$NETSNMPCONFIG --cflags", as we
|
|
# didn't actually find Net-SNMP there.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
fi
|
|
fi
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_UCDSNMP_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_UCDSNMP_CHECK],
|
|
[
|
|
if test "x$ucdsnmp_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which UCD SNMP resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a libpcap in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
CFLAGS="$CFLAGS -I$ucdsnmp_dir/include"
|
|
CPPFLAGS="$CPPFLAGS -I$ucdsnmp_dir/include"
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, $ucdsnmp_dir/lib)
|
|
fi
|
|
|
|
#
|
|
# Check for one of the UCD SNMP header files we include,
|
|
# to see whether we have UCD SNMP installed.
|
|
#
|
|
AC_CHECK_HEADER(ucd-snmp/ucd-snmp-config.h,
|
|
[
|
|
#
|
|
# UCD SNMP or Net-SNMP might require various helper
|
|
# libraries on various platforms, such as "-ldes425"
|
|
# in "/usr/kerberos/lib" on some versions of Red
|
|
# Hat Linux, or "-lkstat" on Solaris.
|
|
#
|
|
# It might also require "-lcrypto" on some platforms;
|
|
# if the user didn't specify --with-ssl, we check
|
|
# whether it would have made a difference and, if so,
|
|
# we tell the user that they needed to request it.
|
|
# (There are annoying licensing issues with it and
|
|
# GPL'ed code, so we don't include it by default.)
|
|
#
|
|
# XXX - autoconf really needs a way to test for
|
|
# a given routine in a given library *and* to test
|
|
# whether additional "-L"/"-R"/whatever flags are
|
|
# needed *before* the "-l" flag for the library
|
|
# and to test whether additional libraries are
|
|
# needed after the library *and* to cache all that
|
|
# information.
|
|
#
|
|
ethereal_save_LIBS="$LIBS"
|
|
found_sprint_realloc_objid=no
|
|
for extras in "" "-L/usr/kerberos/lib -ldes425" "-lkstat"
|
|
do
|
|
LIBS="-lsnmp $extras $SOCKET_LIBS $NSL_LIBS $SSL_LIBS"
|
|
if test -z "$extras"
|
|
then
|
|
AC_MSG_CHECKING([whether UCD SNMP includes sprint_realloc_objid])
|
|
else
|
|
AC_MSG_CHECKING([whether UCD SNMP includes sprint_realloc_objid (linking with $extras)])
|
|
fi
|
|
AC_TRY_LINK(
|
|
[
|
|
],
|
|
[
|
|
sprint_realloc_objid();
|
|
],
|
|
[
|
|
#
|
|
# We found "sprint_realloc_objid()",
|
|
# and required the libraries in
|
|
# extras as well.
|
|
#
|
|
AC_MSG_RESULT(yes)
|
|
SNMP_LIBS="-lsnmp $extras"; break;
|
|
found_sprint_realloc_objid=yes
|
|
break
|
|
],
|
|
[
|
|
#
|
|
# The link failed. If they didn't ask
|
|
# for SSL, try linking with -lcrypto
|
|
# as well, and if *that* succeeds,
|
|
# tell them they'll need to specify
|
|
# --want-ssl.
|
|
#
|
|
AC_MSG_RESULT(no)
|
|
if test "x$want_ssl" = "xno"
|
|
then
|
|
LIBS="$LIBS -lcrypto"
|
|
AC_TRY_LINK(
|
|
[
|
|
],
|
|
[
|
|
sprint_realloc_objid();
|
|
],
|
|
[
|
|
#
|
|
# It worked with -lcrypto; tell
|
|
# them they'll need to specify
|
|
# --with-ssl.
|
|
#
|
|
AC_MSG_ERROR([UCD SNMP requires -lcrypto but --with-ssl not specified])
|
|
])
|
|
fi
|
|
])
|
|
done
|
|
LIBS="$ethereal_save_LIBS"
|
|
|
|
#
|
|
# If we didn't find "sprint_realloc_objid()", fail.
|
|
# Either the user needs a newer version of UCD SNMP
|
|
# with "sprint_realloc_objid()", or they may need to
|
|
# specify "--with-ssl".
|
|
#
|
|
if test "$found_snmp_sprint_realloc_objid" = no; then
|
|
AC_MSG_ERROR([UCD SNMP header files found, but sprint_realloc_objid not found in SNMP library.])
|
|
fi
|
|
|
|
#
|
|
# We found it, so we have UCD SNMP.
|
|
#
|
|
AC_DEFINE(HAVE_UCD_SNMP, 1, [Define to enable support for UCD-SNMP])
|
|
have_ucd_snmp="yes"
|
|
],[
|
|
#
|
|
# No, we don't have it.
|
|
# If the user explicitly asked for UCD SNMP, fail,
|
|
# otherwise just don't use the UCD SNMP library.
|
|
#
|
|
if test "x$want_ucdsnmp" = "xyes" ; then
|
|
AC_MSG_ERROR(Header file ucd-snmp/snmp.h not found.)
|
|
fi
|
|
])
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_RPM_CHECK
|
|
# Looks for the rpm program, and checks to see if we can redefine "_topdir".
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_RPM_CHECK],
|
|
[
|
|
AC_CHECK_PROG(ac_cv_ethereal_have_rpm, rpm, "yes", "no")
|
|
if test "x$ac_cv_ethereal_have_rpm" = "xyes"; then
|
|
rpm --define '_topdir /tmp' > /dev/null 2>&1
|
|
AC_MSG_CHECKING(to see if we can redefine _topdir)
|
|
if test $? -eq 0 ; then
|
|
AC_MSG_RESULT(yes)
|
|
HAVE_RPM=yes
|
|
else
|
|
AC_MSG_RESULT(no. You'll have to build packages manually.)
|
|
HAVE_RPM=no
|
|
fi
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_GNU_SED_CHECK
|
|
# Checks if GNU sed is the first sed in PATH.
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_GNU_SED_CHECK],
|
|
[
|
|
AC_MSG_CHECKING(for GNU sed as first sed in PATH)
|
|
if ( sh -c "sed --version" </dev/null 2> /dev/null | grep "GNU sed" 2>&1 > /dev/null ) ; then
|
|
AC_MSG_RESULT(yes)
|
|
HAVE_GNU_SED=yes
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
HAVE_GNU_SED=no
|
|
fi
|
|
])
|
|
|
|
#
|
|
# AC_ETHEREAL_ADNS_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_ADNS_CHECK],
|
|
[
|
|
want_adns=defaultyes
|
|
|
|
if test "x$want_adns" = "xdefaultyes"; then
|
|
want_adns=yes
|
|
withval=/usr/local
|
|
if test -d "$withval"; then
|
|
AC_ETHEREAL_ADD_DASH_L(LDFLAGS, ${withval}/lib)
|
|
fi
|
|
fi
|
|
|
|
if test "x$want_adns" = "xyes"; then
|
|
AC_CHECK_LIB(adns, adns_init,
|
|
[
|
|
ADNS_LIBS=-ladns
|
|
AC_DEFINE(HAVE_GNU_ADNS, 1, [Define to use GNU ADNS library])
|
|
have_good_adns=yes
|
|
],, $SOCKET_LIBS $NSL_LIBS
|
|
)
|
|
else
|
|
AC_MSG_RESULT(not required)
|
|
fi
|
|
])
|
|
|
|
|
|
#
|
|
# AC_ETHEREAL_KRB5_CHECK
|
|
#
|
|
AC_DEFUN([AC_ETHEREAL_KRB5_CHECK],
|
|
[
|
|
ethereal_save_CFLAGS="$CFLAGS"
|
|
ethereal_save_CPPFLAGS="$CPPFLAGS"
|
|
if test "x$krb5_dir" != "x"
|
|
then
|
|
#
|
|
# The user specified a directory in which kerberos resides,
|
|
# so add the "include" subdirectory of that directory to
|
|
# the include file search path and the "lib" subdirectory
|
|
# of that directory to the library search path.
|
|
#
|
|
# XXX - if there's also a kerberos in a directory that's
|
|
# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
|
|
# make us find the version in the specified directory,
|
|
# as the compiler and/or linker will search that other
|
|
# directory before it searches the specified directory.
|
|
#
|
|
CFLAGS="$CFLAGS -I$krb5_dir/include"
|
|
CPPFLAGS="$CPPFLAGS -I$krb5_dir/include"
|
|
ac_heimdal_version=`grep heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/'`
|
|
ac_mit_version=`grep 'Massachusetts Institute of Technology' $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*Massachusetts Institute of Technology.*$/MIT/'`
|
|
ac_krb5_version="$ac_heimdal_version$ac_mit_version"
|
|
if test "x$ac_krb5_version" = "xHEIMDAL"
|
|
KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt"
|
|
then
|
|
KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err"
|
|
fi
|
|
if test "x$ac_krb5_version" = "xMIT"
|
|
then
|
|
AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
|
|
fi
|
|
else
|
|
AC_PATH_PROG(KRB5_CONFIG, krb5-config)
|
|
if test -x "$KRB5_CONFIG"
|
|
then
|
|
KRB5_FLAGS=`"$KRB5_CONFIG" --cflags`
|
|
KRB5_LIBS=`"$KRB5_CONFIG" --libs`
|
|
CFLAGS="$CFLAGS $KRB5_FLAGS"
|
|
CPPFLAGS="$CPPFLAGS $KRB5_FLAGS"
|
|
#
|
|
# If -lcrypto is in KRB5_FLAGS, we require it to build
|
|
# with Heimdal/MIT. We don't want to built with it by
|
|
# default, due to annoying license incompatibilities
|
|
# between the OpenSSL license and the GPL, so:
|
|
#
|
|
# if SSL_LIBS is set to a non-empty string, we
|
|
# remove -lcrypto from KRB5_LIBS and replace
|
|
# it with SSL_LIBS;
|
|
#
|
|
# if SSL_LIBS is not set to a non-empty string
|
|
# we fail with an appropriate error message.
|
|
#
|
|
case "$KRB5_LIBS" in
|
|
*-lcrypto*)
|
|
if test ! -z "$SSL_LIBS"
|
|
then
|
|
KRB5_LIBS=`echo $KRB5_LIBS | sed 's/-lcrypto//'`
|
|
KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
|
|
else
|
|
AC_MSG_ERROR([Kerberos library requires -lcrypto but --with-ssl not specified])
|
|
fi
|
|
;;
|
|
esac
|
|
ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/'`
|
|
fi
|
|
fi
|
|
|
|
#
|
|
# Make sure we have "krb5.h". If we don't, it means we probably
|
|
# don't have kerberos, so don't use it.
|
|
#
|
|
AC_CHECK_HEADER(krb5.h,,
|
|
[
|
|
if test "x$krb5_dir" != "x"
|
|
then
|
|
#
|
|
# The user used "--with-krb5=" to specify a directory
|
|
# containing kerberos, but we didn't find the header file
|
|
# there; that either means they didn't specify the
|
|
# right directory or are confused about whether kerberos
|
|
# is, in fact, installed. Report the error and give up.
|
|
#
|
|
AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5])
|
|
else
|
|
if test "x$want_krb5" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library, but we
|
|
# couldn't find the header file; report an error.
|
|
#
|
|
AC_MSG_ERROR(Header file krb5.h not found.)
|
|
else
|
|
#
|
|
# We couldn't find the header file; don't use the
|
|
# library, as it's probably not present.
|
|
#
|
|
want_krb5=no
|
|
AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding)
|
|
fi
|
|
fi
|
|
])
|
|
|
|
if test "x$want_krb5" != "xno"
|
|
then
|
|
#
|
|
# Well, we at least have the krb5 header file.
|
|
# Check whether this is Heimdal or MIT.
|
|
#
|
|
AC_MSG_CHECKING(whether the Kerberos library is Heimdal or MIT)
|
|
if test "x$ac_krb5_version" = "xHEIMDAL" -o "x$ac_krb5_version" = "xMIT"
|
|
then
|
|
#
|
|
# Yes.
|
|
# Check whether we have krb5_kt_resolve - and whether
|
|
# we need to link with -lresolv when linking with
|
|
# the Kerberos library.
|
|
#
|
|
AC_MSG_RESULT($ac_krb5_version)
|
|
ethereal_save_LIBS="$LIBS"
|
|
found_krb5_kt_resolve=no
|
|
for extras in "" "-lresolv"
|
|
do
|
|
LIBS="$KRB5_LIBS $extras"
|
|
if test -z "$extras"
|
|
then
|
|
AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve])
|
|
else
|
|
AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)])
|
|
fi
|
|
AC_TRY_LINK(
|
|
[
|
|
],
|
|
[
|
|
krb5_kt_resolve();
|
|
],
|
|
[
|
|
#
|
|
# We found "krb5_kt_resolve()", and required
|
|
# the libraries in extras as well.
|
|
#
|
|
AC_MSG_RESULT(yes)
|
|
KRB5_LIBS="$LIBS"
|
|
AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
|
|
if test "x$ac_krb5_version" = "xHEIMDAL"
|
|
then
|
|
AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
|
|
elif test "x$ac_krb5_version" = "xMIT"
|
|
then
|
|
AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
|
|
fi
|
|
found_krb5_kt_resolve=yes
|
|
break
|
|
],
|
|
[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
done
|
|
if test "$found_krb5_kt_resolve" = no
|
|
then
|
|
#
|
|
# We didn't find "krb5_kt_resolve()" in the
|
|
# Kerberos library, even when we tried linking
|
|
# with -lresolv; we can't link with kerberos.
|
|
#
|
|
if test "x$want_krb5" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library,
|
|
# but we can't do so; report an error.
|
|
#
|
|
AC_MSG_ERROR(Usable $ac_krb5_version not found)
|
|
else
|
|
#
|
|
# Restore the versions of CFLAGS and CPPFLAGS
|
|
# from before we added the flags for Kerberos.
|
|
#
|
|
AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
KRB5_LIBS=""
|
|
want_krb5=no
|
|
fi
|
|
else
|
|
#
|
|
# We can link with Kerberos; see whether krb5.h
|
|
# defines KEYTYPE_ARCFOUR_56 (where "defines" means
|
|
# "as a #define or as an enum member).
|
|
#
|
|
AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56])
|
|
AC_COMPILE_IFELSE(
|
|
[
|
|
AC_LANG_SOURCE(
|
|
[[
|
|
#include <krb5.h>
|
|
#include <stdio.h>
|
|
|
|
main()
|
|
{
|
|
printf("%u\n", KEYTYPE_ARCFOUR_56);
|
|
}
|
|
]])
|
|
],
|
|
[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56])
|
|
],
|
|
[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
fi
|
|
LIBS="$ethereal_save_LIBS"
|
|
else
|
|
#
|
|
# It's not Heimdal or MIT.
|
|
#
|
|
AC_MSG_RESULT(no)
|
|
if test "x$want_krb5" = "xyes"
|
|
then
|
|
#
|
|
# The user tried to force us to use the library,
|
|
# but we can't do so; report an error.
|
|
#
|
|
AC_MSG_ERROR(Kerberos not found)
|
|
else
|
|
#
|
|
# Restore the versions of CFLAGS and CPPFLAGS
|
|
# from before we added the flags for Kerberos.
|
|
#
|
|
AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
KRB5_LIBS=""
|
|
want_krb5=no
|
|
fi
|
|
fi
|
|
else
|
|
#
|
|
# The user asked us not to use Kerberos, or they didn't
|
|
# say whether they wanted us to use it but we found
|
|
# that we couldn't.
|
|
#
|
|
# Restore the versions of CFLAGS and CPPFLAGS
|
|
# from before we added the flags for Kerberos.
|
|
#
|
|
CFLAGS="$ethereal_save_CFLAGS"
|
|
CPPFLAGS="$ethereal_save_CPPFLAGS"
|
|
KRB5_LIBS=""
|
|
want_krb5=no
|
|
fi
|
|
AC_SUBST(KRB5_LIBS)
|
|
])
|
|
|
|
dnl Autoconf macros for libgnutls
|
|
|
|
# Modified for LIBGNUTLS -- nmav
|
|
# Configure paths for LIBGCRYPT
|
|
# Shamelessly stolen from the one of XDELTA by Owen Taylor
|
|
# Werner Koch 99-12-09
|
|
|
|
dnl AM_PATH_LIBGNUTLS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
|
|
dnl Test for libgnutls, and define LIBGNUTLS_CFLAGS and LIBGNUTLS_LIBS
|
|
dnl
|
|
AC_DEFUN([AM_PATH_LIBGNUTLS],
|
|
[dnl
|
|
dnl Get the cflags and libraries from the libgnutls-config script
|
|
dnl
|
|
AC_ARG_WITH(libgnutls-prefix,
|
|
[ --with-libgnutls-prefix=PFX Prefix where libgnutls is installed (optional)],
|
|
libgnutls_config_prefix="$withval", libgnutls_config_prefix="")
|
|
|
|
if test x$libgnutls_config_prefix != x ; then
|
|
if test x${LIBGNUTLS_CONFIG+set} != xset ; then
|
|
LIBGNUTLS_CONFIG=$libgnutls_config_prefix/bin/libgnutls-config
|
|
fi
|
|
fi
|
|
|
|
AC_PATH_PROG(LIBGNUTLS_CONFIG, libgnutls-config, no)
|
|
min_libgnutls_version=ifelse([$1], ,0.1.0,$1)
|
|
AC_MSG_CHECKING(for libgnutls - version >= $min_libgnutls_version)
|
|
no_libgnutls=""
|
|
if test "$LIBGNUTLS_CONFIG" = "no" ; then
|
|
no_libgnutls=yes
|
|
else
|
|
LIBGNUTLS_CFLAGS=`$LIBGNUTLS_CONFIG $libgnutls_config_args --cflags`
|
|
LIBGNUTLS_LIBS=`$LIBGNUTLS_CONFIG $libgnutls_config_args --libs`
|
|
libgnutls_config_version=`$LIBGNUTLS_CONFIG $libgnutls_config_args --version`
|
|
|
|
ac_save_CFLAGS="$CFLAGS"
|
|
ac_save_LIBS="$LIBS"
|
|
CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
|
|
LIBS="$LIBS $LIBGNUTLS_LIBS"
|
|
dnl
|
|
dnl Now check if the installed libgnutls is sufficiently new. Also sanity
|
|
dnl checks the results of libgnutls-config to some extent
|
|
dnl
|
|
rm -f conf.libgnutlstest
|
|
AC_TRY_RUN([
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <gnutls/gnutls.h>
|
|
|
|
int
|
|
main ()
|
|
{
|
|
system ("touch conf.libgnutlstest");
|
|
|
|
if( strcmp( gnutls_check_version(NULL), "$libgnutls_config_version" ) )
|
|
{
|
|
printf("\n*** 'libgnutls-config --version' returned %s, but LIBGNUTLS (%s)\n",
|
|
"$libgnutls_config_version", gnutls_check_version(NULL) );
|
|
printf("*** was found! If libgnutls-config was correct, then it is best\n");
|
|
printf("*** to remove the old version of LIBGNUTLS. You may also be able to fix the error\n");
|
|
printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
|
|
printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
|
|
printf("*** required on your system.\n");
|
|
printf("*** If libgnutls-config was wrong, set the environment variable LIBGNUTLS_CONFIG\n");
|
|
printf("*** to point to the correct copy of libgnutls-config, and remove the file config.cache\n");
|
|
printf("*** before re-running configure\n");
|
|
}
|
|
else if ( strcmp(gnutls_check_version(NULL), LIBGNUTLS_VERSION ) )
|
|
{
|
|
printf("\n*** LIBGNUTLS header file (version %s) does not match\n", LIBGNUTLS_VERSION);
|
|
printf("*** library (version %s)\n", gnutls_check_version(NULL) );
|
|
}
|
|
else
|
|
{
|
|
if ( gnutls_check_version( "$min_libgnutls_version" ) )
|
|
{
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
printf("no\n*** An old version of LIBGNUTLS (%s) was found.\n",
|
|
gnutls_check_version(NULL) );
|
|
printf("*** You need a version of LIBGNUTLS newer than %s. The latest version of\n",
|
|
"$min_libgnutls_version" );
|
|
printf("*** LIBGNUTLS is always available from ftp://gnutls.hellug.gr/pub/gnutls.\n");
|
|
printf("*** \n");
|
|
printf("*** If you have already installed a sufficiently new version, this error\n");
|
|
printf("*** probably means that the wrong copy of the libgnutls-config shell script is\n");
|
|
printf("*** being found. The easiest way to fix this is to remove the old version\n");
|
|
printf("*** of LIBGNUTLS, but you can also set the LIBGNUTLS_CONFIG environment to point to the\n");
|
|
printf("*** correct copy of libgnutls-config. (In this case, you will have to\n");
|
|
printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
|
|
printf("*** so that the correct libraries are found at run-time))\n");
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
],, no_libgnutls=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
LIBS="$ac_save_LIBS"
|
|
fi
|
|
|
|
if test "x$no_libgnutls" = x ; then
|
|
AC_MSG_RESULT(yes)
|
|
ifelse([$2], , :, [$2])
|
|
else
|
|
if test -f conf.libgnutlstest ; then
|
|
:
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
if test "$LIBGNUTLS_CONFIG" = "no" ; then
|
|
echo "*** The libgnutls-config script installed by LIBGNUTLS could not be found"
|
|
echo "*** If LIBGNUTLS was installed in PREFIX, make sure PREFIX/bin is in"
|
|
echo "*** your path, or set the LIBGNUTLS_CONFIG environment variable to the"
|
|
echo "*** full path to libgnutls-config."
|
|
else
|
|
if test -f conf.libgnutlstest ; then
|
|
:
|
|
else
|
|
echo "*** Could not run libgnutls test program, checking why..."
|
|
CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
|
|
LIBS="$LIBS $LIBGNUTLS_LIBS"
|
|
AC_TRY_LINK([
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <gnutls/gnutls.h>
|
|
], [ return !!gnutls_check_version(NULL); ],
|
|
[ echo "*** The test program compiled, but did not run. This usually means"
|
|
echo "*** that the run-time linker is not finding LIBGNUTLS or finding the wrong"
|
|
echo "*** version of LIBGNUTLS. If it is not finding LIBGNUTLS, you'll need to set your"
|
|
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
|
|
echo "*** to the installed location Also, make sure you have run ldconfig if that"
|
|
echo "*** is required on your system"
|
|
echo "***"
|
|
echo "*** If you have an old version installed, it is best to remove it, although"
|
|
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
|
|
echo "***" ],
|
|
[ echo "*** The test program failed to compile or link. See the file config.log for the"
|
|
echo "*** exact error that occured. This usually means LIBGNUTLS was incorrectly installed"
|
|
echo "*** or that you have moved LIBGNUTLS since it was installed. In the latter case, you"
|
|
echo "*** may want to edit the libgnutls-config script: $LIBGNUTLS_CONFIG" ])
|
|
CFLAGS="$ac_save_CFLAGS"
|
|
LIBS="$ac_save_LIBS"
|
|
fi
|
|
fi
|
|
LIBGNUTLS_CFLAGS=""
|
|
LIBGNUTLS_LIBS=""
|
|
ifelse([$3], , :, [$3])
|
|
fi
|
|
rm -f conf.libgnutlstest
|
|
AC_SUBST(LIBGNUTLS_CFLAGS)
|
|
AC_SUBST(LIBGNUTLS_LIBS)
|
|
])
|